Defines the structure and behavior of interactive systems. Interaction Designers strive to create meaningful relationships between people and the products and services that they use, from computers to mobile devices to appliances and beyond.
Interaction design (abbreviated as IxD) defines the structure and behavior of interactive systems. Interaction Designers strive to create meaningful relationships between people and the products and services that they use, from computers to mobile devices to appliances and beyond. The practice typically centers on "embedding information technology into the ambient social complexities of the physical world.
References http://en.wikipedia.org/wiki/Interaction_design, retrieved 2011-04-25